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<title>Problem 1170. -- [Balkan2007]Cipher -- 衡阳八中OJ离线版-2012-02-29</title><center><h2>1170: [Balkan2007]Cipher</h2><span class=green>Time Limit: </span>10 Sec&nbsp;&nbsp;<span class=green>Memory Limit: </span>128 MB<br><span class=green>Submit: </span>23&nbsp;&nbsp;<span class=green>Solved: </span>9<br>[<a href='submitpage.php?id=1170'>Submit</a>][<a href='problemstatus.php?id=1170'>Status</a>][<a href='bbs.php?id=1170'>Discuss</a>]</center><h2>Description</h2><div class=content><p>给出一个字符矩阵,你要从中找出一个出现次数最多的子矩阵.</p></div><h2>Input</h2><div class=content><p>第一行给出N,M.代表矩阵的大小. 下面N行M列用来描述矩阵的形态. 再给出X,Y代表子矩阵的大小.</p></div><h2>Output</h2><div class=content><p>先输出X,Y 再输出你所找到的字符矩阵. 再输出它出现的次数. 再输出它每次出现的位置的左上角坐标.</p></div><h2>Sample Input</h2>
			<div class=content><span class=sampledata>8 10<br />
qw.aba..f.<br />
wq.bab.ff.<br />
zx.cdc.K.R<br />
c.ababa.es<br />
x.babab.Ed<br />
j.cdcdcaba<br />
yo.k.k.bab<br />
opu..l.cdc<br />
3 3<br />
</span></div><h2>Sample Output</h2>
			<div class=content><span class=sampledata>3 3<br />
aba<br />
bab<br />
cdc<br />
4<br />
1 4<br />
4 3<br />
4 5<br />
6 8<br />
</span></div><h2>HINT</h2>
			<div class=content><p></p></div><h2>Source</h2>
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